<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A substance used to treat tumor cells for synthesis of a tumor-specific immunotherapeutic agent, ethyl chloroformate polymerized tumor protein, for use in Immunotherapy.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>